Poisson Labs

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1. vjepa-stress vjepa-stress Public

   Where V-JEPA 2.1's dense video features hold up under noise, blur, frame drops, occlusion and low light, across all four model sizes. Code and data for the Poisson Labs post.

   Jupyter Notebook 2

2. mhc-repro mhc-repro Public

   Reproduction of DeepSeek's mHC (Manifold-Constrained Hyper-Connections), from 10M to 2.5B parameters, logging how much each residual connection amplifies the signal.

   Python

3. policy-robustness-sweep policy-robustness-sweep Public

   Maps where a Unitree Go1 walking policy falls over across 400 combinations of floor friction and push, then compares the map before and after retraining.

   Python

4. babel babel Public

   Cooperative multi-agent RL benchmark for communication robustness. Shows how training metrics can hide a channel agents don't actually use, and a reward exploit.

   Python

5. cable-insertion cable-insertion Public

   MuJoCo environments and PPO baselines for robotic cable insertion, including a UR5e arm with a Robotiq gripper.

   Python

6. jev-replay jev-replay Public

   Measures whether TypeSafe's Jev decision model flips actions on identical replays near shipped thresholds across 12,705 calls. Replication data, harness, and independent verification.

   Python